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SDSI · American Century Short Duration Strategic Income ETF · Short Interest ETF

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$50.50 +0.06 (+0.11%) At close · Oct 22
Volume · Oct 22 15.52K Avg daily vol (3M) 51.77K

Shares sold short and not yet covered, reported twice monthly. Days to cover is the reported short position divided by average daily volume.

Pull short interest history through the short interest API or MCP →

SDSI Latest Reported Short Interest

FINRA reported 23,889 SDSI shares sold short as of the September 30, 2026 settlement date, an increase of 8,393 shares. Days to cover was 1.00 based on FINRA's reported average daily volume.

Official FINRA short-interest data · share counts are restated for subsequent splits of this listing

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    • Short Interest History

    Settlement Date Current Position Previous Position Change Days to Cover
    2026-10-30 Scheduled
    FINRA publishes Nov 10
    		 — — — —
    2026-10-15 Scheduled
    FINRA publishes Oct 26
    		 — — — —
    2026-09-30 23,889 15,496 +8,393 1.00
    2026-09-15 15,496 17,124 -1,628 1.00
    2026-08-31 17,124 17,116 +8 1.00
    2026-08-14 17,116 14,651 +2,465 1.00
    2026-07-31 14,651 29,410 -14,759 1.00
    2026-07-15 29,410 24,805 +4,605 1.22
    2026-06-30 24,805 14,921 +9,884 1.01
    2026-06-15 14,921 20,739 -5,818 1.00
    2026-05-29 20,739 18,317 +2,422 1.00
    2026-05-15 18,317 300,671 -282,354 1.52
    2026-04-30 300,671 8,283 +292,388 6.67
    2026-04-15 8,283 10,979 -2,696 1.00
    2026-03-31 10,979 24,728 -13,749 1.00
    2026-03-13 24,728 19,381 +5,347 1.00
    2026-02-27 19,381 10,922 +8,459 1.15
    2026-02-13 10,922 20,409 -9,487 1.00
    2026-01-30 20,409 20,610 -201 1.00
    2026-01-15 20,610 9,646 +10,964 1.00
    2025-12-31 9,646 11,415 -1,769 1.00
    2025-12-15 11,415 16,112 -4,697 1.00
    2025-11-28 16,112 21,235 -5,123 1.49
    2025-11-14 21,235 16,617 +4,618 1.78
    2025-10-31 16,617 33,267 -16,650 1.00

    Full FINRA short interest reporting calendar

    Showing 1–23 of 23 settlements